Date: Sat, 25 Jul 2020 15:31:14 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 248264] arm64 / RPi4: cpu frequency control stops working Message-ID: <bug-248264-227@https.bugs.freebsd.org/bugzilla/>
next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248264 Bug ID: 248264 Summary: arm64 / RPi4: cpu frequency control stops working Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: gbe@FreeBSD.org On a recent CURRENT from the 25th of July the cpu frequency control stops working. During boot the following error messages are displayed, bcm2835_cpufreq0: ARM 600MHz, Core 200MHz, SDRAM 400MHz, Turbo OFF mbox0: mbox response error bcm2835_cpufreq0: can't set clock rate (id=3D4) mbox0: mbox response error bcm2835_cpufreq0: can't set clock rate (id=3D8) The result is that the CPUs are always at the highest clockrate, even if th= ey are idle. dev.cpu.0.temperature: 47.0C dev.cpu.0.freq_levels: 1500/-1 600/-1 dev.cpu.0.freq: 1500 dev.cpu.0.%parent: cpulist0 dev.cpu.0.%pnpinfo: name=3Dcpu@0 compat=3Darm,cortex-a72 dev.cpu.0.%location: dev.cpu.0.%driver: cpu dev.cpu.0.%desc: Open Firmware CPU $ uname -a FreeBSD tiny.0xfce3.net 13.0-CURRENT FreeBSD 13.0-CURRENT #14 cddea6e05fc-c270140(master): Sat Jul 25 16:18:11 CEST 2020=20=20=20=20 root@tiny.0xfce3.net:/tank/nfs_public/tiny/obj/tank/nfs_public/tiny/src/arm= 64.aarch64/sys/GENERIC-TCP arm64 >From my memory, on a -CURRENT from about 14th of July the frequency control= was working as intended. --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-248264-227>